counties schema checking

package.nw/data/counties.schema.json

@@ -0,0 +1,48 @@
+{
+    "$id": "counties.schema.json",
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "description": "List of counties and programmatic definitions of each",
+    "patternProperties":{
+        "[0-9]{5,5}": {
+            "title": "County FIPS ID",
+            "type": "object",
+            "required": [
+                "type",
+                "geometry",
+                "properties"
+            ],
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "description": "The type of GeoJSON object described",
+                    "items": [
+                        "feature"
+                    ]
+                },
+                "geometry": {
+                    "type": "object",
+                    "description": "geometric description of the FIPS County",
+                    "properties": {
+                        "type": {
+                            "type": "string",
+                            "description": "type of GeoJSON geometry",
+                            "items": [
+                                "Polygon",
+                                "Multipolygon"
+                            ]
+                        },
+                        "coordinates": {
+                            "type": "array",
+                            "description": "array of [lat, long] pairs describing the object"
+                        }
+                    }
+
+                },
+                "properties": {
+
+                }
+            }
+        }
+    }
+
+}